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Canadian immigrants have lower vitamin D levels and more chronic diseases – April 2022


Vitamin D and Chronic Diseases among First-Generation Immigrants: A Large-Scale Study Using Canadian Health Measures Survey (CHMS) Data

Nutrients 2022, 14(9), 1760; https://doi.org/10.3390/nu14091760
by Said Yousef 1,2,*,Ian Colman 1,Manny Papadimitropoulos 3,4,Douglas Manuel 5,6,7,Alomgir Hossain 1,6ORCID,MoezAlIslam Faris 8ORCID andGeorge A. Wells 1,2

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Background: Nearly 22% of the Canadian population are first-generation immigrants. We investigated immigrants’ health status and health deterioration over time in terms of the prevalence of chronic diseases (CDs) and their relationship to vitD status.

Methods: We used cycles three (2012–2013) and four (2014–2015) of the Canadian Health Measures Survey. These data contained unique health information and direct physical/blood measures, including serum 25-hydroxyvitamin D (S-25(OH)D). Indicators of health status and deterioration were the prevalence of CDs diagnosed by healthcare professionals, self-reported general and mental health, and CD-related biomarkers.

Results: The data (n = 11,579) included immigrants from more than 153 countries. Immigrants were healthier than non-immigrants for most health status measures.
The prevalence of CDs was higher among those who migrated to Canada aged ≥ 18 years.
A longer time in Canada after immigration was associated with a higher risk for CDs. The mean S-25(OH)D was lower among immigrants, higher among patients with CDs, and inversely associated with glycated hemoglobin, total cholesterol/high-density lipoprotein ratio, immunoglobulin E, serum ferritin, and blood hemoglobin. After adjusting for covariates, no association was found between S-25(OH)D and the prevalence of CDs.

Conclusions: Lower levels of accumulated S-25(OH)D among immigrants may impact their health profile in terms of CD-related biomarkers, which partially explains immigrants’ health deterioration over time. We recommend further longitudinal research to investigate immigrants’ vitD and health deterioration.
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VitaminDWiki pages with IMMIGRANT in title (13 as of April 2022)

This list is automatically updated

Items found: 13

Risk factors for low immigrant vitamin D

  • Darker Skin
  • Stay indoors more (Not feel comfortable in the new culture, language)
  • Concealing clothing (Muslim women. Sikhs, )
  • Working 2nd or 3rd shifts


VitaminDWiki pages containing CLOTH in title (22 as of April 2022)

Items found: 22
Title Modified
More hijab clothing may have resulted in 6X increase in Multiple Sclerosis in Tehran – May 2013 23 Aug, 2023
Concealing Clothing in Canada: half the level of vitamin D in blood – May 2012 22 Apr, 2022
Saudi females twice as likely to be vitamin D deficient as males (cloth) – July 2015 27 Dec, 2021
Ultra-orthodox Jews also suffer from 10 ng vitamin D levels (cloth) – Nov 2010 10 Dec, 2021
Need 1 hour of noon sun to get Hijab women to 20 ng of Vitamin D (cloth) – June 2019 10 Dec, 2021
COVID-19 increased 3.5 X if Ultra-Orthodox (cloth) Sept, 2020 10 Dec, 2021
400 IU of vitamin D helped a few adults (Orthodox Jewish mothers - heavy clothing) – 2001 10 Dec, 2021
Jordanian women vitamin D – 16 ng if Western clothing – 12 ng otherwise – Aug 2011 07 Aug, 2021
Burka clothing reduces vitamin D levels, which causes pregnancy problems – Oct 2015 07 Aug, 2021
Ultra-Orthodox Jews have concealing clothing, high levels of COVID-19, and ultra low Vitamin D - Feb 2021 07 Aug, 2021
Concealing clothing resulted in only 8 ng vitamin D – Feb 2011 07 Aug, 2021
Concealing clothing often results in low vitamin D levels (Sikh children in this case) – Aug 2021 07 Aug, 2021
Concealing clothing worn by Christian Orthodox monks result in low vitamin D (9 ng) – Nov 2018 14 Nov, 2018
Weak bones (Osteopenia) in 93 percent of women in Pakistan attending University and wearing Islamic clothes – March 2017 18 Mar, 2017
Permethrin-dipped clothing kills Zika mosquitoes even after 10 washings – Oct 2016 09 Sep, 2016
3 primates have higher levels of vitamin D than clothed humans, level varies between individuals – April 2015 10 May, 2015
Iran Multiple Sclerosis review finds huge increase in women (no mention of clothing) – Nov 2013 10 Aug, 2014
If heavily clothed, very little vitamin D – Dec 2012 22 Mar, 2014
Breast Cancer patients wearing concealing clothing were 13X more likely to be vitamin D deficient – March 2014 14 Mar, 2014
Excessive clothes and being indoors results in very low vitamin D levels – Nov 2011 01 Dec, 2013
UPF = SPF for clothing 01 Feb, 2012
Skin color and clothing but not sunscreens reduce vitamin D – Oct 2010 16 Oct, 2010


Created by admin. Last Modification: Friday April 22, 2022 17:30:31 GMT-0000 by admin. (Version 8)

Attached files

ID Name Comment Uploaded Size Downloads
17473 Canadian immegrants.jpg admin 22 Apr, 2022 35.58 Kb 260
17472 Canadian immegrants chronic disease.pdf admin 22 Apr, 2022 332.59 Kb 222